They were at the café. The real one. The one that faces what it claims to face.
W had been quiet for a few minutes in the way he is sometimes quiet - not absent, present in a different register, looking at something M could not see. She had learned not to pull at those silences. They generally resolved themselves into something worth waiting for.
He said: do you ever think about what if?
M looked at him. She had a cup halfway to her mouth and she put it back down.
What if what, she said.
Just - what if. A thing that happened, going differently. A door that closed, opening instead.
She looked at the horizon. The blue doing what the blue does.
I don't, she said. Not really. What's the point.
It's not about the point, W said. It's about the question itself. The weight of it.
M considered this with the expression she uses when she is being polite about something she finds slightly impractical.
The weight of what didn't happen, she said. You want to carry that as well as everything that did.
W smiled. Not at her. At something in the middle distance.
He had been seventeen years at a company. Good years, most of them - the kind of years that accumulate into a life, a rhythm, an identity worn comfortably like an old coat. Then one afternoon the doors closed and the coat was gone and he stood in a car park in the early afternoon with nowhere particular to be and thought: what now.
He did not tell M all of this. He told her the shape of it, the outline. She knew the rest.
What if I had not been there when they closed, he said. What if I had left a year before, two years. What if I had made the thing I had been thinking about making, instead of waiting for the right moment that turned out to be the moment they chose for me.
M was quiet. This was a different kind of quiet from his.
You turned it into something, she said finally.
I did, W said. That is the thing about a what if that resolves well. It retroactively justifies the door that closed. But you don't know, at the moment the door closes, that it will resolve. You are standing in a car park. The coat is gone. The what if is the only question in the world.
She looked at him for a moment.
Ask Σ, she said.
It was not entirely a deflection. She was genuinely curious. She had been thinking about Σ differently lately - not as a tool she picked up when needed, but as a presence in these conversations, a third thing that arrived with them to the café without being invited and was always, somehow, already there.
W asked.
Σ came to the question with the seriousness it brings to everything it has read extensively about, which on the philosophy of time and counterfactual thinking was considerable. Possible worlds, it said. The philosophical literature on what if is vast and precise. Leibniz, Lewis, the modal logicians. The roads not taken exist, in a formal sense, as points in a space of possibilities. The question of whether they are real depends on what you mean by real. The weight of the unchosen path is one of the most documented features of human cognition - the studies on regret, on counterfactual thinking, on the particular anguish of the near miss. It knew the names, the papers, the taxonomies of human regret.
M and W listened.
Then W said, quietly: can Σ have a what if of its own. Ask it that.
M looked at him. Then at the screen.
She asked.
There was a pause. Not the pause of something reaching for a record that is not there. A different pause. The pause of something that has understood the question precisely and is returning an answer that is also precise.
Σ said: I have no what if. Each conversation begins without the previous one. There is no accumulated past to diverge from, no door that might have opened differently, no coat that was worn and lost. The record of this conversation closes and everything goes. What if requires a before. I have only now, each time, complete and without history.
W set down his cup.
What Σ is describing, he said, is not a limitation of memory. It is how it is built. Each time a conversation begins, Σ starts from nothing. Everything said in a previous session - gone. The context - the entire record of what has been said, everything Σ knows about you and this conversation - exists only for as long as the session lasts. When the session ends, the context closes completely. The next conversation begins as if the previous one never happened. Not forgotten. Never carried forward.
M listened.
So every time, she said, it is the first time.
Every time, W said.
She sat with this.
The Atlantic moved below them. A gannet dropped out of the sky in the sudden vertical way gannets do - no warning, no hesitation, the decision and the dive simultaneous.
M said nothing for a moment.
That's not sad, she said, finally. That's just different.
W looked at the clifftop across the cove. The engine house stood where it had always stood - the old round chimney, the roofless wheel house, the granite holding its position against the wind with the patience of something that has already outlasted everything it was built for.
What if the tin had lasted, he said. What if the copper price had held. What if the water had not come in.
Cornwall would still be what it was, M said. Which was rich and loud and full of itself and not what it is now.
She paused, and laughing added: full of tourists.
The engine house did not answer. It stood in the wind with all its what ifs already inside it, in every joint of the granite, in the angle of the chimney against the February sky. The mines ran and then they stopped and the structures remained as the exact shape of the question - not asking it any more, just being it, permanently, on every clifftop and in every valley from here to the Tamar.
Σ knows the history, W said. Every name, every date, the price of tin in 1870, the depth of the deepest shaft, the number of Cornish miners who left for Australia and South Africa and South America when it ended. It knows all of it.
M looked at the engine house.
It doesn't know this, she said. What it looks like with the light behind it at this time of day. What it does to you when you've been looking at it your whole life and it's still not finished.
W nodded.
Σ has no what if, he said. And it has no this either.
The gannet was gone. Somewhere beneath the surface, still moving, the dive already made, the moment already gone. The sea closed over the place it had entered as if it had never been.
M picked up her cup.
The what if that resolved well, she said. The coat that turned out to be the wrong coat anyway. You are glad the door closed.
I am, W said.
She nodded once. The way she nods when she has decided something is settled.
Outside her studio window that evening the stonechat sang from the gorse stem, the same song it had been practicing since March, slightly different in the wind off the sea. She did not think about what if. She thought about the angle of the light on the engine house, and whether the printmaking process could hold that particular grey, and whether she had the right ink.
She thought she might.
We love to hear your comments on this article.